https://dongru-tech.com/videos/dr-a5-car-paint-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr-a5-car-paint-demo-44f7234bad33.jpgDR-A5 car paint thickness measurement demoWatch the DONGRU DR-A5 taking paint-thickness readings on a vehicle, checking an iron-powder putty sample and changing the display orientation.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr-a5-car-paint-demo-11cfc22c80a9.mp4452026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr120-coating-thickness-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr120-coating-thickness-demo-99b4fe1e525f.jpgDR120 coating thickness demo on ferrous samplesSee the DONGRU DR120 kit, handheld controls, sample checks and paint-layer measurement on a ferrous workpiece.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr120-coating-thickness-demo-f123197ad64d.mp4382026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr130-coating-thickness-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr130-coating-thickness-demo-011de918071e.jpgDR130 coating thickness gauge operation demoWatch the DONGRU DR130 kit and controls, reference-sample checks and paint-coating readings on a metal workpiece.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr130-coating-thickness-demo-69b2a6c37075.mp4402026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr260a-coating-galvanizing-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr260a-coating-galvanizing-demo-09aabc551bbf.jpgDR260A coating and galvanized-layer measurement demoSee the DONGRU DR260A external probe, charging connection, coating readings and the displayed galvanized-layer mode.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr260a-coating-galvanizing-demo-8f69dd6178f0.mp4362026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr280a-coating-galvanizing-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr280a-coating-galvanizing-demo-a139d4dff279.jpgDR280A coating checks and galvanized-layer mode demoWatch the DONGRU DR280A external-probe setup, coating checks on reference samples and a demonstration of its galvanized-layer display mode.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr280a-coating-galvanizing-demo-6d09674445fb.mp4452026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr3000-coating-thickness-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr3000-coating-thickness-demo-2f61db2b7820.jpgDR3000 coating thickness gauge operation demoSee the DONGRU DR3000 kit, integrated probe, reference-sample checks and paint-layer measurement on a metal workpiece.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr3000-coating-thickness-demo-944be0d5002c.mp4392026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr5000s-galvanized-layer-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr5000s-galvanized-layer-demo-64ca96b5e428.jpgDR5000S coating gauge and galvanized-sample demoWatch the DONGRU DR5000S kit and a coating-thickness reading on a galvanized metal sample, with a close view of the display.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr5000s-galvanized-layer-demo-407d6e032c9f.mp4392026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr6000a-coating-galvanizing-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr6000a-coating-galvanizing-demo-62a38dbfe06e.jpgDR6000A external-probe coating measurement demoSee the DONGRU DR6000A probe and controls, coating readings in standard mode and the displayed galvanized-layer mode.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr6000a-coating-galvanizing-demo-fa74d1a487e5.mp4442026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr60a-gloss-calibration-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr60a-gloss-calibration-demo-cebe083fd933.jpgDR60A gloss meter reference check and measurement demoWatch the DONGRU DR60A gloss meter being placed on its reference base, followed by surface and printed-paper measurements.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr60a-gloss-calibration-demo-d5d0d9552814.mp4402026-10-07T03:15:04+00:00https://dongru-tech.com/videos/dr82a-optical-transmittance-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr82a-optical-transmittance-demo-f44737fc465f.jpgDR82A bench optical transmittance and lens demoSee a DONGRU bench transmittance tester starting up, measuring a lens and displaying results and menu options.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr82a-optical-transmittance-demo-709932a19aa7.mp4482026-10-07T03:15:05+00:00https://dongru-tech.com/videos/dr85a-ultrasonic-operation-guide/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr85a-ultrasonic-operation-guide-df317453f054.jpgDR85A ultrasonic thickness setup and operation videoWatch the DONGRU DR85A probe setup, reference-block check, couplant use, material measurement and sound-velocity and language settings.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr85a-ultrasonic-operation-guide-1783fc2a182c.mp41032026-10-07T03:15:05+00:00https://dongru-tech.com/videos/dr85a-ultrasonic-product-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr85a-ultrasonic-product-demo-bec645cffd99.jpgDR85A ultrasonic gauge, probe and sample demoSee the DONGRU DR85A charging connection, probe check, sound-velocity menu and example measurements on metal and plastic workpieces.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr85a-ultrasonic-product-demo-86ab2a64ecd7.mp4432026-10-07T03:15:05+00:00https://dongru-tech.com/videos/dr89s-ultrasonic-probe-demo/https://dongru-tech.com/wp-content/uploads/dongru-videos/dr89s-ultrasonic-probe-demo-4727c16dbd5b.jpgDR89S ultrasonic probe setup and zero-check demoWatch the DONGRU DR89S kit, probe connection, sound-velocity selection and a reference-block zero-check sequence.https://dongru-tech.com/wp-content/uploads/dongru-videos/dr89s-ultrasonic-probe-demo-66fc820c4295.mp4362026-10-07T03:15:05+00:00